The group of germs at infinity of homeomorphisms of the real line has no outer automorphisms | Vidéo | Carmin.tv

The group of germs at infinity of homeomorphisms of the real line has no outer automorphisms

By Maxime Wolff

Appears in collection : 2024 - T2 - WS1 - Low Dimensional Actions

In joint work with Frédéric Le Roux and Kathryn Mann, we prove that every automorphism of the group of germs at infinity of homeomorphisms of the real line is given by the conjugation by some homeomorphism of the line.

Information about the video

Date of recording 02/05/2024
Date of publication 02/05/2024
Institution IHP
Language English
Audience Researchers
Director(s) Alexandre Duplessis, Fabrizio Scapin
Format MP4
Venue IHP - Hermite Amphitheater

Citation data

DOI 10.57987/IHP.2024.T2.WS1.013
Cite this video Wolff, Maxime (02/05/2024). The group of germs at infinity of homeomorphisms of the real line has no outer automorphisms. IHP. Audiovisual resource. DOI: 10.57987/IHP.2024.T2.WS1.013
URL https://dx.doi.org/10.57987/IHP.2024.T2.WS1.013

Last related questions on MathOverflow

You have to connect your Carmin.tv account with mathoverflow to add question

Ask a question on MathOverflow

Copyright Carmin.tv 2024

Give feedback